From f9e6c211a6b1f12ad08e1273391e3386a6704e98 Mon Sep 17 00:00:00 2001
From: Taras Vuk <117687515+TarasVuk@users.noreply.github.com>
Date: Mon, 30 Sep 2024 18:58:48 +0200
Subject: [PATCH] Tweak ttCapture reduction

More reduction at shallow depth for quiet moves when ttMove is a capture.
---
 src/search.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/search.cpp b/src/search.cpp
index 93647aa5..a570b082 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -1065,7 +1065,7 @@ Value Search::Worker::search(
 
         // Increase reduction if ttMove is a capture but the current move is not a capture (~3 Elo)
         if (ttCapture && !capture)
-            r++;
+            r += 1 + (depth < 8);
 
         // Increase reduction if next ply has a lot of fail high (~5 Elo)
         if ((ss + 1)->cutoffCnt > 3)